National Museum of Nuclear Science & History
Samuel Beall Jr. is a nuclear engineer who worked on the Manhattan Project at Chicago, IL, Oak Ridge, TN, and Hanford, WA.
Cowan worked at the 100-B Area at Hanford during the Manhattan Project.
Calvin worked in the United States Engineer District Office.
Carl W. Rein served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned first to Luke the Spook and later to Big Stink.